JPH0747611Y2 - Roller work tools - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a so-called joint roller, which is a tool for pressing a pasting portion of a wallpaper or floor material of a house, for example.

[Prior Art] When pasting wallpaper or floor material of a house, conventionally, a roller, which is rotated while pressing the pasted paper material, has been used for the purpose of pressing the butted portion. in this case,
For wallpaper, a light roller such as plastic or rubber was used, and for a floor material a heavy roller such as stainless was used.

FIG. 6 is a partially cutaway explanatory view showing the structure of a conventional joint roller.

In the figure, a roller shaft 2 and a roller fixing arm 3 extending in a substantially U-shape from one end of a handle portion 1 that can be held with one hand are attached. The roller shaft 2 is substantially orthogonal to the longitudinal direction of the handle portion 1, and a roller portion 4 integrally having a bearing 5 is rotatably supported on the roller shaft 2. Roller part 4
Is removable by a bolt 6 screwed to the roller shaft 2.

[Problems to be solved by the invention] However, since the joint portion of the wallpaper and the floor material is pressed by the joint roller, the starch-based adhesive used for the wallpaper, the synthetic rubber type used for the floor material, and the modified vinegar If a lot of adhesives such as system are used, it will stick out from the joint part,
The rollers are dirty. Therefore, the dirty roller portion is wiped with a wet cloth or the like, or the bolt 6 is removed to wash only the roller portion. In the latter case, it is difficult to remove the roller portion.
When the joint roller is washed completely, water enters the bearing part integrally attached to the roller part, and there is a problem that it cannot rotate due to rust. Also, for the roller part of the joint roller, when the wallpaper is applied, the material of the roller part is different depending on the type of wall, and when the wallpaper or floor is applied, the roller shape is different depending on the installation location. Therefore, the installer had to own several types of joint rollers for wallpaper floor materials.

Further, even with an inexpensive joint roller in which the roller portion is axially supported without using a bearing, water may similarly enter the axially supported portion and may become unrotatable due to rust or dirt.

An object of the present invention is to obtain a roller working tool without increasing the number of tools, and moreover, a bearing portion that supports a roller portion during cleaning is less likely to be unrotatable due to rust or dirt. .

[Means for Solving the Problems] In the roller work tool according to the first aspect of the present invention, a rod-shaped handle portion and a roller installed by bending from one end of the handle portion in a direction substantially orthogonal to the longitudinal direction of the handle portion. In a roller working tool including a shaft and a roller portion rotatably supported by the roller shaft, the roller portion includes a bearing that supports the roller shaft and a bearing holding cylinder that holds the bearing. And a drum portion having an inner hole that is detachably fitted to the outer circumference of the bearing holding cylinder. The bearing holding cylinder outer peripheral portion of the rotating portion and the inner hole portion of the drum portion. And a locking means having a snap-fit structure in which a plurality of undercuts that engage with each other in the axial direction at the time of fitting are provided, and a plurality of notches along the axial direction are provided in the male circumferential direction. It is a thing.

A roller work tool according to a second aspect of the present invention is the roller work tool according to the first aspect, wherein the locking means is pressed against an inner hole of the drum portion when the bearing holding cylinder and the drum portion are fitted to each other. A spring mechanism is provided on the outer peripheral portion of the bearing holding cylinder.

In a roller work tool according to a third aspect, a rod-shaped handle, a roller shaft bent from one end of the handle in a direction substantially orthogonal to the longitudinal direction of the handle, and installed on the roller shaft. In a roller work tool provided with a roller portion that is freely rotatably supported, the roller portion includes a rotating cylinder that rotatably supports the roller shaft and an inner hole that is detachably fitted to the outer periphery of the rotating cylinder. A drum portion having, wherein the rotating cylinder outer peripheral portion and the inner hole portion of the drum portion have a pair of male and female undercuts that engage with each other in the axial direction at the time of fitting, and along the axial direction. The notch is provided with a locking means having a snap-fit structure provided in plural in the circumferential direction on the male side.

A roller work tool according to a fourth aspect is the roller work tool according to claim 3, wherein the locking means is a spring that presses against the drum section inner hole when the rotary cylinder and the drum section are fitted together. A mechanism is provided on the outer peripheral portion of the rotating cylinder.

[Operation] In the first aspect of the present invention, the roller portion is detachably attached to the rotating portion including the bearing that supports the roller shaft and the bearing holding cylinder that holds the bearing, and the outer circumference of the bearing holding cylinder. According to another third aspect of the present invention, a roller portion includes a rotating cylinder that pivotally supports a roller shaft, and an inner portion that is detachably fitted to the outer periphery of the rotating cylinder. Since it is composed of the drum portion having the hole, the roller portion is separated into the drum portion and the bearing holding cylinder (rotating cylinder), and is detachable. Therefore, when cleaning the drum part, only the drum part can be cleaned and the bearing part (shaft support part) can be left on the roller shaft. Further, the type of the roller portion can be variously changed according to the type of material, shape, form, etc. of the drum portion to be fitted.

Further, since the locking means has a snap-fit structure or a spring mechanism, the drum part and the bearing holding cylinder can be easily attached and detached.

Here, the snap-fit structure includes the first device and the third device.
As shown in the invention, a pair of male and female undercuts that engage with each other in the axial direction at the time of fitting are provided in the bearing holding cylinder outer peripheral portion or the rotating cylinder outer peripheral portion and the inner hole portion of the drum portion. A plurality of notches are provided in the circumferential direction on the male side.

Further, as shown in the second and fourth inventions, the spring mechanism presses the inner hole of the drum portion when the bearing holding cylinder or the rotating cylinder is fitted to the drum portion, and It is provided on the outer periphery of the rotating cylinder.

[Embodiment] FIG. 1 is an explanatory view showing the constitution of an embodiment of the joint roller of the present invention. In the figure, the bar-shaped handle 11
And a roller shaft 12 installed by bending from one end of the handle 11 in a direction substantially orthogonal to the longitudinal direction of the handle 11, and a roller part 14 rotatably supported by the roller shaft 12.

The roller portion 14 has two bearings that support the roller shaft 12.
15 and a bearing holding cylinder 17 that holds the bearing 15
And a drum portion 20 made of polyacetal having an inner hole 19 that is detachably fitted to the outer circumference of the bearing holding cylinder 17.

A so-called snap fit provided with a pair of male and female undercuts 21, 22 that engage with each other in the axial direction at the time of fitting on the outer peripheral portion of the bearing holding cylinder 17 of the rotating portion 18 and the inner hole 19 portion of the drum portion 20. There is a mechanism. Male undercut 21
A cutout portion 23 having a plurality of cutouts at its end is provided along the longitudinal direction of the cylinder 17 so that the portion can be easily attached and detached. Due to this snap-fit mechanism, the drum part 20 and the bearing holding cylinder 17 can be easily attached and detached. Therefore, when cleaning the drum part, only the drum part can be cleaned and the bearing part can be left on the roller shaft, and the rotation of the bearing part due to rust or dirt is less likely to occur.

Further, since the detachable structure is employed as described above, the type of the roller portion 14 can be variously changed depending on the type of material, shape and form of the drum portion 20 to be fitted.

For example, FIG. 2, FIG. 3, and FIG. 4 are explanatory views showing an embodiment of another material / shape of the fitted drum portion. In FIG. 2, the drum portion 30 is made of polyacetal and has a taper. It has a hardness and shape suitable for pressing the corners of the wall surface. Inside the drum portion 30, an inner hole 29 which can be detachably fitted to the outer circumference of the bearing holding cylinder 17 of FIG. 1 is engaged with a male undercut 21 on the outer circumference of the bearing holding cylinder 17 at the time of fitting. A female undercut 31 is provided.

Also in FIG. 3, an inner hole bush 39 made of ABS resin that can be detachably fitted into the outer periphery of the bearing holding cylinder 17 of FIG. 1 inside the drum portion 40 made of chloroprene rubber.
And the bearing holding cylinder when fitted in this inner hole bush 39.
A female undercut 41 that engages with the male undercut 21 on the outer periphery 17 is provided. In the joint roller of the present embodiment, since the drum portion 40 made of elastic chloroprene rubber is fitted, the drum portion hits the pressing surface on the pressing surface at the time of pressing, and when the flexible wallpaper material is attached. Suitable for work.

Further, in FIG. 4, an ABS resin inner hole bush 49 which can be detachably fitted to the outer periphery of the bearing holding cylinder 17 of FIG. 1 inside the urethane drum portion 50, and the inner hole bush 49. A female undercut 51 that engages with the male undercut 21 on the outer circumference of the bearing holding cylinder 17 when fitted is provided inside the 49. In the joint roller of this embodiment, since the urethane drum portion 50 having an appropriate elasticity is fitted,
You can hold down the joint part when attaching wallpaper without damaging the cloth.

In addition to the above, the present invention can perform the intended work by fitting the drum portion of the material and shape suitable for the working purpose, and is not limited to the above embodiment.

FIG. 5 is an explanatory diagram showing the configuration of an embodiment of another invention. In the figure, a rod-shaped handle 81, a roller shaft 82 extending from one end of the handle 81 in a substantially U shape, and a roller fixing arm 83 are mounted. The roller shaft 82 is substantially orthogonal to the longitudinal direction of the handle 81. The roller shaft 82 has a roller portion 84 that is rotatably supported.

The roller portion 84 is composed of a rotating cylinder 88 that pivotally supports the roller shaft 82, and a drum part 90 made of polyatatail having an inner hole 89 that is detachably fitted to the outer periphery of the rotating cylinder 88.

There is a so-called snap-fit mechanism 93 provided with a pair of male and female undercuts 91 and 92 that engage with each other in the axial direction at the time of fitting, on the outer peripheral portion of the rotating cylinder 88 and the inner hole 89 portion of the drum portion 90. The male undercut 91 portion is provided with a notch portion formed with a plurality of notches at the end portion along the longitudinal direction of the rotating cylinder 88 so that it can be easily attached and detached. Due to this snap-fit mechanism 93, the drum part 90 and the rotary cylinder 88 can be easily attached and detached. Therefore, when cleaning the drum portion, only the drum portion can be cleaned and the shaft supporting portion can be left on the roller shaft, and the rotation of the drum portion due to rust or dirt is reduced.

As described above, since the drum part is detachable, when cleaning the drum part, it is possible to clean only the drum part and leave the bearing part on the roller shaft. It is less likely to become unrotatable, and by fitting drum parts of various materials and shapes, the installer need only hold the necessary drum parts according to the purpose of the work. It is not bulky, lightweight and economical.

[Advantages of the Invention] As described above, according to the present invention, the roller portion includes the rotating portion including the bearing for supporting the roller shaft and the bearing holding cylinder for holding the bearing, and the outer circumference of the bearing holding cylinder. According to a third aspect of the present invention, a roller portion is configured to include a rotating cylinder that rotatably supports a roller shaft and an outer periphery of the rotating cylinder that is detachably fitted. Since it is composed of a drum portion having a matching inner hole, the roller portion is separated into a drum portion and a bearing holding cylinder (rotating cylinder), and is removable. Therefore, when cleaning the drum part, only the drum part can be cleaned and the bearing part (shaft support part) can be left on the roller shaft. Further, the type of the roller portion can be variously changed according to the type of material, shape, form, etc. of the drum portion to be fitted. For this reason, since it is necessary to hold only the drum portion required by the builder, it is not bulky, lightweight and economical.

Further, as a concrete locking means, as shown in the 11th, 3rd, 2nd, and 4th inventions, the outer peripheral part of the bearing holding cylinder (rotating cylinder) and the inner hole part of the drum part are provided. A snap-fit structure having a pair of male and female undercuts that engage with each other in the axial direction during fitting, and a spring that is provided on the outer peripheral portion of the bearing holding cylinder (rotating cylinder) and presses against the inner hole portion of the drum part during fitting As disclosed in the above-mentioned mechanism, since the outer peripheral portion (rotating cylinder) of the rotating portion and the inner hole portion of the drum portion are provided with locking means, the drum portion and the bearing holding cylinder are attached and detached. Can be done easily,
This has effects such as obtaining a roller working tool that does not apply a load to the bearing in accordance with the attachment / detachment operation.

[Brief description of drawings]

FIG. 1 is an explanatory view showing the constitution of an embodiment of a joint roller of the present invention, and FIGS. 2, 3, and 4 are explanatory views showing an embodiment of other materials and shapes of a drum part to be fitted. , Fifth
FIG. 6 is an explanatory view showing the constitution of another embodiment of the invention, and FIG. 6 is a partially cut-out explanatory view showing the constitution of a conventional joint roller.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-51-64015 (JP, A) SAI-KAI 63-139317 (JP, U)

Claims (4)

[Scope of utility model registration request] 1. A rod-shaped handle, a roller shaft bent from one end of the handle in a direction substantially orthogonal to the longitudinal direction of the handle, and a roller shaft rotatably supported by the roller shaft. In a roller work tool including a roller portion, the roller portion includes a rotating portion configured by a bearing that supports the roller shaft and a bearing holding cylinder that holds the bearing, and an outer periphery of the bearing holding cylinder. And a drum portion having an inner hole that is detachably fitted to the outer peripheral portion of the bearing holding cylinder of the rotating portion and the inner hole portion of the drum portion. A roller work tool having a pair of undercuts, and a locking means having a snap-fit structure in which a plurality of notches along the axial direction are provided in the circumferential direction on the male side. 2. The roller work tool according to claim 1, wherein, as the locking means, a spring mechanism that presses against the inner bore of the drum portion when the bearing holding cylinder and the drum portion are fitted is held by the bearing. A roller work tool provided on the outer peripheral portion of the cylinder. 3. A rod-shaped handle, a roller shaft bent from one end of the handle in a direction substantially orthogonal to the longitudinal direction of the handle, and a roller shaft rotatably supported by the roller shaft. In the roller work tool including a roller portion, the roller portion includes a rotating cylinder that pivotally supports the roller shaft, and a drum portion that has an inner hole that is detachably fitted to the outer periphery of the rotating cylinder. The rotating cylinder outer peripheral portion and the inner hole portion of the drum portion have a pair of male and female undercuts that engage with each other in the axial direction at the time of fitting, and the notch along the axial direction is on the male side. A roller working tool comprising a plurality of locking means having a snap-fit structure provided in the circumferential direction. 4. The roller work tool according to claim 3, wherein, as the locking means, a spring mechanism that comes into pressure contact with the drum portion inner hole when the rotating cylinder and the drum portion are fitted is used as the rotating cylinder. A roller work tool provided on the outer peripheral portion.